entomologists’ directory. 
27 
Peckham, George YV., Milwaukee, VVis. Habits of Solitary Wasps , Spi- 
ders. Collection. Exchange spiders. 
Pelton, Henry V., 31 Garfield PI., Poughkeepsie, N. Y. General Ento- 
mology. Collection. 
Pennock, Aldrich J., Lansdowne, Del. Co., Pa. Gen. Ent. Coll. 
Pepperman, A. L., 332 Academy St., Williamsport, Pa. Lepid. Coll. 
Perkins, George H., Univ. of Vermont, Burlington, Vt. Economic 
Entomology. College collection. 
Perrior, A. YV., 316 West Kennedy St., Syracuse, N. Y. Lepid. Coll. 
Perry, Elmer H., East Las Vegas, New Mexico. General Entomology. 
Persing, M. J., Clyde, Ohio. General Entomology . Collection. Exchange. 
HPettit, Rufus H., Asst. Ent., Exper. Sta , Agricultural College, Ingham 
Co., Mich. Coccidcs. Collection. Exchange. 
Phillips, Edward D., Ph.M., 2413 E. 10th St., Kansas City, Mo. Lepidop- 
tera (Rhopatocera). Collection. 
Phillips, E. E., Somerville, N. J. Economic Entomology. 
Phillips, J. L., Blacksburg, Va. Coccidcs, Economic Entomology. 
Pierce, Newton B., Pacific Coast Laboratory, Santa Ana, Calif. Ncurop- 
tcra. Collection. 
Pilate, G. R., 663 S. Main St., Dayton, Ohio. Lepidoptera. 
Pilsbury, Ernest H., 12 Lefferts Place, Brooklyn, N. Y. Co/eop. Coll. 
Piper, Charles V., Agricultural College, Pullman, Wash. Coleoptera. 
Collection. Exchange in all orders. 
Plummer, Frederic W., Winchendon, Mass Lepidoptera. Coll. Exch. 
Plummer, William H., Danville, Me. Lepidoptera. Coll. Exch. 
Poling, Otho C., Quincy, 111 . Leipdoptera. Collection. Exchange. 
Pollard, Charles L., U. S. National Museum, Washington, D. C. Lepi- 
doptera. Collection. Exchange. 
Pollock, Horatio M., M. S., Ph. D., Albany High School, Albany, N. Y. 
Aplcra ( Hydrachnidce ). Collection. Exchange. 
Pomeroy, Fred. E., 164 Holland St., or Bates College, Lewiston, Me. 
General Entomology. Collection. Exchange. 
Pope, T. Edmund B., 20 Hawthorne St., Providence, R. I. Lepidoptera. 
Collection. Exchange. 
Popenoe, Charles H., Topeka, Ks. Coleoptera, Lepidoptera ( Rhopalo - 
cera). Collection. Exchange. 
Popenoe, E. A., P. O. Box 303, Topeka, Ks. Coleoptera, Hemiptera. 
Collection. Exchange. 
Porter, J. A., M.D., Powassan, Ont., Canada. Lepid. Coll. Exch. 
Pough, F. H., 146 Hicks St., Brooklyn, N. Y. Lepidoptera. Collection. 
Powell, G. Harold, Newark, Del. Economic Entomology. 
Pratt, Henry S., Haverford College, Pa. Embryology of Insects. Col- 
lection of European Coleoptera for sale. 
Prentice, W. J , Glenosborne, Pa. Coleoptera, Lepidoptera. Collection. 
Presler, Henry P., 35 N. Mozart St., Chicago, 111 . Lepid. Coll. Exch. 
Preston, Carleton E., Fairmount Ave., Hyde Park, Mass. Gen. Ent. 
